This man is the god of iOS game creation! He's always releasing new original games that are perfect for mobile!
Minute Slash is perfect from head to toe, and the developer seems like he is going to keep updating this game. The grind/play balance is very good, so much so that you actually enjoy the grind. The economy of the items and leveling is also so properly executed.
If the developer is reading this, it would be cool to see other weapon types than just swinging ones, maybe ranged weapons would work but you would have to make it not cheaty (as in being able to just stay far away and shoot). Having the ability to block would also be a cool function, giving the shield some usability. Maybe perfect blocks block all damage and normal ones only reduce damage according to shield stats. I haven't beaten the game yet (supposing there is an end like the past games), but enchanted weapons with like freeze, burn, paralyze, blood draw, ect would be awesome to see as well. Also, skills that require Mana of some sort to unleash, like a speed enhancing or power enhancing skill.
Anyways, the game is awesome, and these are just some suggestions. Keep up your work man! It's always exiting to see what you can come up with next. ⭐️⭐️⭐️⭐️⭐️